Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Nomeie a agregação para Seba United.
 ###Tabelas: CREATE TABLE museums_with_paleontology_holdings (museums_with_paleontology_holdings_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Town/City VARCHAR, Region VARCHAR, On Dinosaur Trail? VARCHAR, Education programs/ Guided tours? VARCHAR, Associated Field Digs? VARCHAR) CREATE TABLE first_round (first_round_id AUTO_INCREMENT PRIMARY KEY, Team 1 VARCHAR, Agg. VARCHAR, Team 2 VARCHAR, 1st leg VARCHAR, 2nd leg VARCHAR) CREATE TABLE partial_discography (partial_discography_id AUTO_INCREMENT PRIMARY KEY, Year INT, Title VARCHAR, Performer VARCHAR, Label VARCHAR, Cat. No. INT) CREATE TABLE middleweight___77_kg (middleweight___77_kg_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Bodyweight INT, Snatch INT, Clean & jerk VARCHAR, Total (kg) VARCHAR) CREATE TABLE grand_slam_men's_doubles_performance_timeline (grand_slam_men's_doubles_performance_timeline_id AUTO_INCREMENT PRIMARY KEY, Tournament VARCHAR, 1998 VARCHAR, 2000 VARCHAR, 2001 VARCHAR, 2002 VARCHAR, 2003 VARCHAR, 2004 VARCHAR, 2005 VARCHAR, 2006 VARCHAR, 2007 VARCHAR, 2008 VARCHAR, 2009 VARCHAR, 2010 VARCHAR, 2011 VARCHAR, 2012 VARCHAR, Career SR VARCHAR, Career Win-Loss VARCHAR)  
SELECT Agg. FROM first_round WHERE Team 1 = seba united